520 lines
16 KiB
C++
520 lines
16 KiB
C++
//
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// detail/null_socket_service.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
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#define ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#if defined(ASIO_WINDOWS_RUNTIME)
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#include "asio/buffer.hpp"
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#include "asio/error.hpp"
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#include "asio/execution_context.hpp"
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#include "asio/post.hpp"
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#include "asio/socket_base.hpp"
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#include "asio/detail/bind_handler.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace detail {
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template <typename Protocol>
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class null_socket_service :
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public execution_context_service_base<null_socket_service<Protocol> >
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{
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public:
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// The protocol type.
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typedef Protocol protocol_type;
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// The endpoint type.
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typedef typename Protocol::endpoint endpoint_type;
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// The native type of a socket.
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typedef int native_handle_type;
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// The implementation type of the socket.
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struct implementation_type
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{
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};
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// Constructor.
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null_socket_service(execution_context& context)
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: execution_context_service_base<null_socket_service<Protocol> >(context)
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{
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}
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// Destroy all user-defined handler objects owned by the service.
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void shutdown()
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{
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}
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// Construct a new socket implementation.
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void construct(implementation_type&)
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{
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}
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// Move-construct a new socket implementation.
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void move_construct(implementation_type&, implementation_type&)
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{
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}
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// Move-assign from another socket implementation.
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void move_assign(implementation_type&,
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null_socket_service&, implementation_type&)
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{
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}
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// Move-construct a new socket implementation from another protocol type.
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template <typename Protocol1>
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void converting_move_construct(implementation_type&,
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null_socket_service<Protocol1>&,
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typename null_socket_service<Protocol1>::implementation_type&)
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{
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}
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// Destroy a socket implementation.
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void destroy(implementation_type&)
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{
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}
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// Open a new socket implementation.
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asio::error_code open(implementation_type&,
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const protocol_type&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Assign a native socket to a socket implementation.
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asio::error_code assign(implementation_type&, const protocol_type&,
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const native_handle_type&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Determine whether the socket is open.
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bool is_open(const implementation_type&) const
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{
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return false;
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}
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// Destroy a socket implementation.
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asio::error_code close(implementation_type&,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Release ownership of the socket.
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native_handle_type release(implementation_type&,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Get the native socket representation.
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native_handle_type native_handle(implementation_type&)
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{
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return 0;
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}
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// Cancel all operations associated with the socket.
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asio::error_code cancel(implementation_type&,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Determine whether the socket is at the out-of-band data mark.
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bool at_mark(const implementation_type&,
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asio::error_code& ec) const
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{
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ec = asio::error::operation_not_supported;
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return false;
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}
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// Determine the number of bytes available for reading.
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std::size_t available(const implementation_type&,
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asio::error_code& ec) const
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Place the socket into the state where it will listen for new connections.
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asio::error_code listen(implementation_type&,
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int, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Perform an IO control command on the socket.
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template <typename IO_Control_Command>
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asio::error_code io_control(implementation_type&,
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IO_Control_Command&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Gets the non-blocking mode of the socket.
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bool non_blocking(const implementation_type&) const
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{
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return false;
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}
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// Sets the non-blocking mode of the socket.
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asio::error_code non_blocking(implementation_type&,
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bool, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Gets the non-blocking mode of the native socket implementation.
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bool native_non_blocking(const implementation_type&) const
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{
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return false;
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}
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// Sets the non-blocking mode of the native socket implementation.
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asio::error_code native_non_blocking(implementation_type&,
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bool, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Disable sends or receives on the socket.
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asio::error_code shutdown(implementation_type&,
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socket_base::shutdown_type, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Bind the socket to the specified local endpoint.
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asio::error_code bind(implementation_type&,
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const endpoint_type&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Set a socket option.
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template <typename Option>
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asio::error_code set_option(implementation_type&,
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const Option&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Set a socket option.
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template <typename Option>
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asio::error_code get_option(const implementation_type&,
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Option&, asio::error_code& ec) const
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Get the local endpoint.
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endpoint_type local_endpoint(const implementation_type&,
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asio::error_code& ec) const
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{
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ec = asio::error::operation_not_supported;
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return endpoint_type();
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}
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// Get the remote endpoint.
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endpoint_type remote_endpoint(const implementation_type&,
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asio::error_code& ec) const
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{
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ec = asio::error::operation_not_supported;
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return endpoint_type();
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}
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// Send the given data to the peer.
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template <typename ConstBufferSequence>
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std::size_t send(implementation_type&, const ConstBufferSequence&,
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socket_base::message_flags, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Wait until data can be sent without blocking.
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std::size_t send(implementation_type&, const null_buffers&,
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socket_base::message_flags, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Start an asynchronous send. The data being sent must be valid for the
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// lifetime of the asynchronous operation.
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template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
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void async_send(implementation_type&, const ConstBufferSequence&,
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socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Start an asynchronous wait until data can be sent without blocking.
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template <typename Handler, typename IoExecutor>
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void async_send(implementation_type&, const null_buffers&,
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socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Receive some data from the peer. Returns the number of bytes received.
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template <typename MutableBufferSequence>
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std::size_t receive(implementation_type&, const MutableBufferSequence&,
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socket_base::message_flags, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Wait until data can be received without blocking.
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std::size_t receive(implementation_type&, const null_buffers&,
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socket_base::message_flags, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Start an asynchronous receive. The buffer for the data being received
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// must be valid for the lifetime of the asynchronous operation.
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template <typename MutableBufferSequence,
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typename Handler, typename IoExecutor>
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void async_receive(implementation_type&, const MutableBufferSequence&,
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socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Wait until data can be received without blocking.
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template <typename Handler, typename IoExecutor>
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void async_receive(implementation_type&, const null_buffers&,
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socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Receive some data with associated flags. Returns the number of bytes
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// received.
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template <typename MutableBufferSequence>
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std::size_t receive_with_flags(implementation_type&,
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const MutableBufferSequence&, socket_base::message_flags,
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socket_base::message_flags&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Wait until data can be received without blocking.
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std::size_t receive_with_flags(implementation_type&,
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const null_buffers&, socket_base::message_flags,
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socket_base::message_flags&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Start an asynchronous receive. The buffer for the data being received
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// must be valid for the lifetime of the asynchronous operation.
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template <typename MutableBufferSequence,
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typename Handler, typename IoExecutor>
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void async_receive_with_flags(implementation_type&,
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const MutableBufferSequence&, socket_base::message_flags,
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socket_base::message_flags&, Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Wait until data can be received without blocking.
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template <typename Handler, typename IoExecutor>
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void async_receive_with_flags(implementation_type&, const null_buffers&,
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socket_base::message_flags, socket_base::message_flags&,
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Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Send a datagram to the specified endpoint. Returns the number of bytes
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// sent.
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template <typename ConstBufferSequence>
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std::size_t send_to(implementation_type&, const ConstBufferSequence&,
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const endpoint_type&, socket_base::message_flags,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Wait until data can be sent without blocking.
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std::size_t send_to(implementation_type&, const null_buffers&,
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const endpoint_type&, socket_base::message_flags,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Start an asynchronous send. The data being sent must be valid for the
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// lifetime of the asynchronous operation.
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template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
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void async_send_to(implementation_type&, const ConstBufferSequence&,
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const endpoint_type&, socket_base::message_flags,
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Handler& handler)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Start an asynchronous wait until data can be sent without blocking.
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template <typename Handler, typename IoExecutor>
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void async_send_to(implementation_type&, const null_buffers&,
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const endpoint_type&, socket_base::message_flags,
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Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Receive a datagram with the endpoint of the sender. Returns the number of
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// bytes received.
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template <typename MutableBufferSequence>
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std::size_t receive_from(implementation_type&, const MutableBufferSequence&,
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endpoint_type&, socket_base::message_flags,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Wait until data can be received without blocking.
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std::size_t receive_from(implementation_type&, const null_buffers&,
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endpoint_type&, socket_base::message_flags,
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asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return 0;
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}
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// Start an asynchronous receive. The buffer for the data being received and
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// the sender_endpoint object must both be valid for the lifetime of the
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// asynchronous operation.
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template <typename MutableBufferSequence,
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typename Handler, typename IoExecutor>
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void async_receive_from(implementation_type&, const MutableBufferSequence&,
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endpoint_type&, socket_base::message_flags, Handler& handler,
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const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Wait until data can be received without blocking.
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template <typename Handler, typename IoExecutor>
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void async_receive_from(implementation_type&, const null_buffers&,
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endpoint_type&, socket_base::message_flags, Handler& handler,
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const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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const std::size_t bytes_transferred = 0;
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asio::post(io_ex, detail::bind_handler(
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handler, ec, bytes_transferred));
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}
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// Accept a new connection.
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template <typename Socket>
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asio::error_code accept(implementation_type&,
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Socket&, endpoint_type*, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Start an asynchronous accept. The peer and peer_endpoint objects
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// must be valid until the accept's handler is invoked.
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template <typename Socket, typename Handler, typename IoExecutor>
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void async_accept(implementation_type&, Socket&, endpoint_type*,
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Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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asio::post(io_ex, detail::bind_handler(handler, ec));
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}
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// Connect the socket to the specified endpoint.
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asio::error_code connect(implementation_type&,
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const endpoint_type&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Start an asynchronous connect.
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template <typename Handler, typename IoExecutor>
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void async_connect(implementation_type&, const endpoint_type&,
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Handler& handler, const IoExecutor& io_ex)
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{
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asio::error_code ec = asio::error::operation_not_supported;
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asio::post(io_ex, detail::bind_handler(handler, ec));
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}
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};
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} // namespace detail
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // defined(ASIO_WINDOWS_RUNTIME)
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#endif // ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
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